Cold Sores and Canker Sores are the most common causes of sores on roof of mouth. Sore roof of mouth causes a great deal of pain and discomfort. Such sores are usually not considered contagious when caused by Canker Sores.
In order to determine if higher minimum wage leads to a higher unemployment two economic professors at Princeton University (David Card and Alan Krueger) conducted a study on minimum wage hikes with a focus on the New Jersey minimum wage hike in 1990. Card and Krueger compared unemployment and wages in New Jersey and Pennsylvania.
While a higher minimum wage induces some automation, as well as increased worker productivity and higher prices, it simultaneously increases worker purchasing power. In the end, the costs of the minimum wage will be borne by turnover reductions, productivity increases and modest price increases.